Cartridge tube



FIG. 1 is a first perspective view of a second embodiment of a cartridge tube showing my new design;

FIG. 2 is a second perspective view of the cartridge tube of FIG. 1;

FIG. 3 is a first side elevation view of the cartridge tube of FIG. 1;

FIG. 4 is a second side elevation view of the cartridge tube of FIG. 1;

FIG. 5 is a third side elevation view of the cartridge tube of FIG. 1;

FIG. 6 is a fourth side elevation view of the cartridge tube of FIG. 1;

FIG. 7 is a top plan view of the cartridge tube of FIG. 1;

FIG. 8 is a bottom plan view of the cartridge tube of FIG. 1; and,

FIG. 9 is a cross-sectional view of the cartridge tube of FIG. 1.

The broken lines shown in the drawings are included for the purpose of illustrating portions of the cartridge tube that form no part of the claimed design. 

CLAIM The ornamental design for a cartridge tube, as shown and described. 